carbamic acid, (1S,2S,3R,6Z,8S,9S,10S,11Z)-3,9-bis(4-methoxybenzyloxy)-14-[(2S,3S,4S,5R,6R)-6-methoxy-4-methoxymethoxy-3,5-dimethyltetrahydropyran-2-yl]-2,8,10-trimethyl-1-[(1S,2Z)-1-methylpenta-2,4-dienyl]tetradeca-6,11-dienyl ester